diff --git a/Generated/Classes.cs b/Generated/Classes.cs
index 1539527..a4359ac 100644
--- a/Generated/Classes.cs
+++ b/Generated/Classes.cs
@@ -1,5 +1,5 @@
 // Auto-generated list of creatable Roblox classes.
-// Updated as of 0.469.0.418830
+// Updated as of 0.470.0.419147
 
 using System;
 
@@ -648,6 +648,7 @@ namespace RobloxFiles
     public class HingeConstraint : Constraint
     {
         public ActuatorType ActuatorType = ActuatorType.None;
+        public float AngularResponsiveness = 45;
         public float AngularSpeed;
         public float AngularVelocity;
         public bool LimitsEnabled;
@@ -690,6 +691,7 @@ namespace RobloxFiles
     {
         public ActuatorType ActuatorType = ActuatorType.None;
         public bool LimitsEnabled;
+        public float LinearResponsiveness = 45;
         public float LowerLimit;
         public float MotorMaxAcceleration = float.MaxValue;
         public float MotorMaxForce;
@@ -706,6 +708,7 @@ namespace RobloxFiles
     {
         public ActuatorType AngularActuatorType = ActuatorType.None;
         public bool AngularLimitsEnabled;
+        public float AngularResponsiveness = 45;
         public float AngularRestitution;
         public float AngularSpeed;
         public float AngularVelocity;
@@ -743,6 +746,18 @@ namespace RobloxFiles
         public Vector3 Torque_ = new Vector3();
     }
 
+    public class TorsionSpringConstraint : Constraint
+    {
+        public float Coils = 8;
+        public float Damping = 0.01f;
+        public bool LimitEnabled;
+        public float MaxAngle = 45;
+        public float MaxTorque = float.MaxValue;
+        public float Radius = 0.4f;
+        public float Restitution;
+        public float Stiffness = 100;
+    }
+
     public class UniversalConstraint : Constraint
     {
         public bool LimitsEnabled;
@@ -2191,6 +2206,7 @@ namespace RobloxFiles
         public bool Locked;
         public bool Massless;
         public Material Material = Material.Plastic;
+        public CFrame PivotOffset = new CFrame();
 
         public Vector3 Position
         {
@@ -2392,6 +2408,7 @@ namespace RobloxFiles
         public SharedString ModelMeshData = SharedString.FromBase64("yuZpQdnvvUBOTYh1jqZ2cA==");
         public Vector3 ModelMeshSize = new Vector3();
         public BasePart PrimaryPart;
+        public CFrame WorldPivot = new CFrame();
     }
 
     public class Actor : Model
diff --git a/Generated/Enums.cs b/Generated/Enums.cs
index e7044ce..c3e3f85 100644
--- a/Generated/Enums.cs
+++ b/Generated/Enums.cs
@@ -1,5 +1,5 @@
 // Auto-generated list of Roblox enums.
-// Updated as of 0.469.0.418830
+// Updated as of 0.470.0.419147
 
 namespace RobloxFiles.Enums
 {
diff --git a/RobloxFileFormat.dll b/RobloxFileFormat.dll
index 5c6c938..fb2d56b 100644
Binary files a/RobloxFileFormat.dll and b/RobloxFileFormat.dll differ
diff --git a/Tree/Instance.cs b/Tree/Instance.cs
index 904f440..4cc0799 100644
--- a/Tree/Instance.cs
+++ b/Tree/Instance.cs
@@ -137,11 +137,9 @@ namespace RobloxFiles
         {
             if (AttributesImpl.TryGetValue(key, out Attribute attr))
             {
-                object result = attr.Value;
-
-                if (result is T)
+                if (attr.Value is T result)
                 {
-                    value = (T)result;
+                    value = result;
                     return true;
                 }
             }
@@ -193,8 +191,7 @@ namespace RobloxFiles
         /// <param name="ancestor">The instance whose ancestry will be tested against this Instance.</param>
         public bool IsDescendantOf(Instance ancestor)
         {
-            Contract.Requires(ancestor != null);
-            return ancestor.IsAncestorOf(this);
+            return ancestor?.IsAncestorOf(this) ?? false;
         }
 
         /// <summary>
@@ -203,9 +200,7 @@ namespace RobloxFiles
         [Obsolete("Use the `is` operator instead.")]
         public bool IsA<T>() where T : Instance
         {
-            Type myType = GetType();
-            Type classType = typeof(T);
-            return classType.IsAssignableFrom(myType);
+            return this is T;
         }
 
         /// <summary>
@@ -214,14 +209,10 @@ namespace RobloxFiles
         /// </summary>
         /// <typeparam name="T">The type of Instance to cast to.</typeparam>
         /// <returns>The instance as the type '<typeparamref name="T"/>' if it can be converted, or null.</returns>
+        [Obsolete("Use the `as` operator instead.")]
         public T Cast<T>() where T : Instance
         {
-            T result = null;
-
-            if (this is T)
-                result = this as T;
-
-            return result;
+            return this as T;
         }
 
         /// <summary>
diff --git a/UnitTest/Program.cs b/UnitTest/Program.cs
index eb43cc2..9b62385 100644
--- a/UnitTest/Program.cs
+++ b/UnitTest/Program.cs
@@ -1,18 +1,11 @@
 using System;
-using System.Collections.Generic;
 using System.Diagnostics;
-using System.IO;
 using System.Linq;
-using System.Text.RegularExpressions;
-
-using RobloxFiles.DataTypes;
 
 namespace RobloxFiles.UnitTest
 {
     static class Program
     {
-        const string pattern = "\\d+$";
-
         static void PrintTreeImpl(Instance inst, int stack = 0)
         {
             string padding = "";
@@ -24,15 +17,20 @@ namespace RobloxFiles.UnitTest
             switch (inst.ClassName)
             {
                 case "Script":
+                {
                     extension = ".server.lua";
                     break;
+                }
                 case "LocalScript":
+                {
                     extension = ".client.lua";
                     break;
+                }
                 case "ModuleScript":
+                {
                     extension = ".lua";
                     break;
-                default: break;
+                }
             }
 
             Console.WriteLine($"{padding}{inst.Name}{extension}");
@@ -54,57 +52,7 @@ namespace RobloxFiles.UnitTest
 
             Debugger.Break();
         }
-
-        static void CountAssets(string path)
-        {
-            Console.WriteLine("Opening file...");
-            RobloxFile target = RobloxFile.Open(path);
-
-            var workspace = target.FindFirstChildOfClass<Workspace>();
-            var assets = new HashSet<string>();
-
-            if (workspace == null)
-            {
-                Console.WriteLine("No workspace found!");
-                Debugger.Break();
-
-                return;
-            }
-
-            foreach (Instance inst in workspace.GetDescendants())
-            {
-                var instPath = inst.GetFullName();
-                var props = inst.Properties;
-
-                foreach (var prop in props)
-                {
-                    var propName = prop.Key;
-                    var content = prop.Value.CastValue<Content>();
-
-                    if (content != null)
-                    {
-                        string url = content.Url.Trim();
-
-                        var id = Regex
-                            .Match(url, pattern)?
-                            .Value;
-
-                        if (id != null && id.Length > 5)
-                            url = "rbxassetid://" + id;
-
-                        if (url.Length > 0 && !assets.Contains(url))
-                        {
-                            Console.WriteLine($"[{url}] at {instPath}.{propName}");
-                            assets.Add(url);
-                        }
-                    }
-                }
-            }
-
-            Console.WriteLine("Done! Press any key to continue...");
-            Console.Read();
-        }
-
+        
         [STAThread]
         static void Main(string[] args)
         {
@@ -120,8 +68,6 @@ namespace RobloxFiles.UnitTest
                 RobloxFile bin = RobloxFile.Open(@"Files\Binary.rbxl");
                 RobloxFile xml = RobloxFile.Open(@"Files\Xml.rbxlx");
 
-                Folder attributes = bin.FindFirstChild<Folder>("Attributes", true);
-
                 Console.WriteLine("Files opened! Pausing execution for debugger analysis...");
                 Debugger.Break();